You need very different pet supplies for a turtle than you do for a cat. Turtles require an aquarium, a heat lamp, and probably some rock to rest on. Cats need food bowls, litter boxes, and scratching posts. Throw guinea pigs, dogs, and other pets into the mix, and suddenly you can see how many different pet supplies have to exist just to keep our animals fed, healthy, and happy. Pet stores do a great job of stocking these supplies, but we want to do a good job of telling you about these supplies. Read the articles here to become better informed.